Infuser base



FIG. 1 is a perspective view of the infuser base showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a pre-rolled state of the infuser base with the base portionremoved for ease of illustration; and,

FIG. 9 is a left side elevational view of the infuser base.

The broken line showing of an infuser is for illustrative purposes onlyand forms no part of the claimed design.

The ornamental design for the infuser base, as shown and described.